US3098918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remotely controlled electric heating and cooking vessels
Assignee: Sunbeam Corp
•
Filing: 1956-06-11
•
Granted: 1963-07-23
•
Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Ludvik J Koci
- 👤 Robert D Andersen
- 👤 Jepson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:17
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A COOKING DEVICE COMPRISING A COMPLETELY IMMERSIBLE COOKING VESSEL, AN ELECTRIC HEATING ELEMENT FORMING A UNITARY PART OF SAID VESSEL AND DISPOSED IN INTIMATE HEAT EXCHANGE RELATIONSHIP WITH SAID VESSEL, ELECTRICAL MEANS ASSOCIATED WITH SAID VESSEL HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES IN RESPONSE TO CHANGES IN TEMPERATURE OF SAID VESSEL, A CONTROL UNIT REMOTE FROM SAID VESSEL, FIRST CONDUCTIVE MEANS FOR SUPPLYING ALTERNATING CURRENT ELECTRICAL ENERGY FROM SAID CONTROL UNIT TO SAID ELECTRIC HEATING ELEMENT, SWITCHING MEANS CONNECTED IN CIRCUIT WITH SAID HEATING ELEMENT, SECOND CONDUCTIVE MEANS FOR ELECTRICALLY INTERCONNECTING SAID ELECTRICAL MEANS AND SAID CONTROL UNIT, AND SELECTIVELY ADJUSTABLE MEANS IN SAID CONTROL UNIT RESPONSIVE TO THE VARIATION OF SAID ELECTRICAL CHARACTERISTIC FOR SELECTIVELY CONTROLLING SAID SWITCHING MEANS AND CONSEQUENTLY THE ELECTRICAL ENERGY SUPPLIED TO SAID HEATING ELEMENT.
Claim 2
Dependent Claim
130 words
A COOKING DEVICE COMPRISING A COMPLETELY IMMERSIBLE COOKING VESSEL, AN ELECTRIC HEATING ELEMENT FORMING A UNITARY PART OF SAID VESSEL AND DISPOSED IN INTIMATE HEAT EXCHANGE RELATIONSHIP WITH SAID VESSEL, ELECTRICAL MEANS ASSOCIATED WITH SAID VESSEL HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES IN RESPONSE TO CHANGES IN TEMPERATURE OF SAID VESSEL, A CONTROL UNIT REMOTE FROM SAID VESSEL, FIRST CONDUCTIVE MEANS FOR SUPPLYING ALTERNATING CURRENT ELECTRICAL ENERGY FROM SAID CONTROL UNIT TO SAID ELECTRIC HEATING ELEMENT, SWITCHING MEANS CONNECTED IN CIRCUIT WITH SAID HEATING ELEMENT, SECOND CONDUCTIVE MEANS FOR ELECTRICALLY INTERCONNECTING SAID ELECTRICAL MEANS AND SAID CONTROL UNIT, AND SELECTIVELY ADJUSTABLE MEANS IN SAID CONTROL UNIT RESPONSIVE TO THE VARIATION OF SAID ELECTRICAL CHARACTERISTIC FOR SELECTIVELY CONTROLLING SAID SWITCHING MEANS AND CONSEQUENTLY THE ELECTRICAL ENERGY SUPPLIED TO SAID HEATING ELEMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |